Bootstrap中well的使用

作用：Well 是一种会引起内容凹陷显示或插图效果的容器 <div>。

 <div class="container">
        <h3>
            Bootstrap中well的使用</h3>
        <div class="well">
            I'm well.
        </div>
        I'm well.
        <div class="well well-lg">
            I'm well-lg</div>
        <div class="well well-sm">
            I'm well-sm</div>
    </div>
    <div class="container">
        <div class="row">
            <div class="col-lg-4">
                <div class="well">
                    <img src="Images/wellimage/111.jpg" alt="house one" /></div>
            </div>
            <div class="col-lg-4">
                <div class="well well-lg">
                    <img src="Images/wellimage/222.jpg" alt="house two" /></div>
            </div>
            <div class="col-lg-4">
                <div class="well well-sm">
                    <img src="Images/wellimage/333.jpg" alt="house three" /></div>
            </div>
        </div>
    </div>

　效果如如下：